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11652 Johnbrownlee (1997 CK13)
Classification: Main-belt Asteroid          SPK-ID: 2011652
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1254988274429704 2.269e-08  
a 3.105222885812821 1.5235e-08 au
q 2.715521054694236 6.8168e-08 au
i 2.902017796972758 1.317e-06 deg
node 100.3664613125268 2.1995e-05 deg
peri 129.4287926939069 3.0576e-05 deg
M 72.59298907300034 1.0666e-05 deg
tp 2458797.477054506146
(2019-Nov-09.97705451)
5.8777e-05 TDB
period 1998.653895238907
5.47
1.4709e-05
4.027e-08
d
yr
n .1801212310233272 1.3256e-09 deg/d
Q 3.494924716931407 1.7147e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2354  
   data-arc span      12669 days (34.69 yr)  
   first obs. used      1986-03-05  
   last obs. used      2020-11-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47959  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-16 22:45:32  

Additional Information
 Earth MOID = 1.70507 au 
 Jupiter MOID = 1.49434 au 
 T_jup = 3.207 
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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.71   n/a E2021B10  
diameter diameter 14.980 km 0.163 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.079   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11652 Johnbrownlee           Discovered 1997 Feb. 7 by P. Sicoli and F. Manca at Sormano.
John W. Brownlee (b. 1973) was the system administrator, principal programer and an observer on the Catalina Sky Survey team during 1998--2000. The citation was prepared by T. B. Spahr.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20011230/MPCPages.arcLast Updated: 2009-05-11

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Alternate Designations
 1997 CK13 = 1976 MH = 1986 ES 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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